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The Other End of the Leash: An Experimental Test to Analyze How Owners Interact with Their Pet Dogs
Published on: October 13, 2017
Association analysis between canine behavioural traits and genetic polymorphisms in the Shiba Inu breed
Y Takeuchi1, F Kaneko, C Hashizume
1Laboratory of Veterinary Ethology, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan. aytake@mail.ecc.u-tokyo.ac.jp
Animal Genetics
|April 29, 2009
Summary
A specific gene variant (c.471T>C) in the solute carrier family 1 (neuronal/epithelial high-affinity glutamate transporter) member 2 (SLC1A2) gene is linked to stranger-directed aggression in Shiba Inu dogs. This finding suggests a genetic basis for canine behavioral traits.
Area of Science:
- Canine genetics
- Animal behavior
- Molecular biology
Background:
- Understanding the genetic underpinnings of canine behavior is crucial for breed-specific welfare and training.
- Aggression, particularly towards strangers, is a significant behavioral concern in domestic dogs.
Purpose of the Study:
- To investigate the association between specific gene polymorphisms and behavioral traits in Shiba Inu dogs.
- To identify genetic markers related to aggression in this breed.
Main Methods:
- Behavioral data collected via a 26-item owner questionnaire from 77 Shiba Inu dogs.
- Factor analysis of questionnaire data to identify behavioral dimensions.
- Association analysis between 15 polymorphisms in eight neurotransmitter-related genes and extracted behavioral factors.
Main Results:
- Eight behavioral factors were extracted, explaining 66.8% of the variance.
- A significant association was found between the c.471T>C polymorphism in the SLC1A2 gene and 'aggression to strangers' (Factor 1).
- This association was consistent across data from veterinary hospitals and breed magazines.
Conclusions:
- The c.471T>C polymorphism in the SLC1A2 gene is potentially associated with stranger-directed aggression in Shiba Inu dogs.
- This genetic finding warrants further investigation in broader canine populations to confirm generalizability.
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